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Description

Plastic, telescopic acoustic cavity liner set with external cowl, for background room ventilation. Compliant with BS 5250.

Features:

  • External cowl protects against excessive weather conditions and alleviates air blasts through the cavity.
  • Telescopic cavity liner contains an internal baffle to reduce light and draughts.
  • Internal hit & miss grille manually adjusted with a sliding action allowing ventilation to be controlled as required.
  • External water baffles prevent transfer of water across the cavity.
  • Cowl, air brick and hit & miss grille UV stabilized to slow down the effects of sunlight.
  • BRE verified equivalent area.

Components:

  • Cowl.
  • Multifix® Air Brick.
  • AirLiner®.
  • Hit & Miss Grille.

General information
Features

External cowl protects against excessive weather conditions and alleviates air blasts through the cavity

Telescopic cavity liner contains an internal baffle to reduce light and draughts

Internal hit & miss grille manually adjusted with a sliding action allowing ventilation to be controlled as required

External water baffles prevent transfer of water across the cavity

Cowl, air brick and hit & miss grille UV stabilized to slow down the effects of sunlight

BRE verified equivalent area

Material

UV stabilized polypropylene

Size

Cowl: 255 x 96 x 44 mm (l x h x d)

AirLiner® with Multifix® Air Brick: 220 x 71 x 250–368 mm (w x h x l)

Hit & Miss Grille: 271 x 95 mm (l x h)

Uniclass 2015 Ventilation ducts (Pr_30_59_96_92)
Specification data
Product Reference

TC8HMBCWL

Buff/ Sand Cowl/ Multifix® Air Brick.

TC8HMTCWL

Terracotta Cowl/ Multifix® Air Brick.

Colour -
Air brick

Buff/ Sand

TC8HMBCWL

Terracotta

TC8HMTCWL

Equivalent area

10 000 mm² (100 cm²)

Standard product features

Colour:

  • AirLiner®: Black.
  • Hit & Miss Grille: White.

Material:

UV stabilized polypropylene.

Size:

  • Cowl: 255 x 96 x 44 mm (l x h x d).
  • AirLiner® with Multifix® Air Brick: 220 x 71 x 250–368 mm (w x h x l).
  • Hit & Miss Grille: 271 x 95 mm (l x h).

Literature
Third party certifications
  • Verified
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